|
Income Taxes (Schedule Of Deferred Tax Assets And Liabilities) (Details) (USD $)
In Thousands, unless otherwise specified |
Sep. 30, 2014
|
Sep. 30, 2013
|
Sep. 30, 2012
|
Sep. 30, 2011
|
|---|---|---|---|---|
| Income Tax Disclosure [Abstract] | ||||
| Net operating loss carryforwards | $ 65,640 | $ 47,770 | ||
| Foreign tax credits | 9,022 | 5,994 | ||
| Capitalized research and development expense | 41,720 | 51,237 | ||
| Pension benefits | 39,063 | 30,870 | ||
| Deferred maintenance revenue | 67,433 | 63,976 | ||
| Stock-based compensation | 16,744 | 18,045 | ||
| Other reserves not currently deductible | 25,258 | 19,343 | ||
| Amortization of intangible assets | 9,302 | 5,772 | ||
| Other tax credits | 30,982 | 31,263 | ||
| Depreciation | 3,157 | 3,077 | ||
| Other | 8,218 | 4,396 | ||
| Gross deferred tax assets | 316,539 | 281,743 | ||
| Valuation allowance | (177,541) | (156,547) | (170,400) | (38,600) |
| Total deferred tax assets | 138,998 | 125,196 | ||
| Acquired intangible assets not deductible | (110,003) | (88,134) | ||
| Pension prepayments | (20,263) | (15,607) | ||
| Deferred revenue | (1,446) | (12,592) | ||
| Other | (4,484) | (4,463) | ||
| Total deferred tax liabilities | 136,196 | 120,796 | ||
| Net deferred tax assets | $ 2,802 | $ 4,400 |
| X | ||||||||||
|
- Definition
Deferred tax asset, amortization of intangible assets No definition available.
|
| X | ||||||||||
|
- Definition
Deferred tax assets capitalized research and development No definition available.
|
| X | ||||||||||
|
- Definition
Deferred tax assets, depreciation. No definition available.
|
| X | ||||||||||
|
- Definition
Deferred tax liabilities, acquired intangible assets No definition available.
|
| X | ||||||||||
|
- Definition
Deferred Tax Liabilities, Deferred Income No definition available.
|
| X | ||||||||||
|
- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from deferred income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences not separately disclosed. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
The tax effect as of the balance sheet date of the amount of future tax deductions arising from all unused tax credit carryforwards which have been reduced by a valuation allowance. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign tax credit carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from pension benefits. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from other reserves and accruals not separately disclosed. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount of deferred tax liability attributable to taxable temporary differences net of deferred tax asset attributable to deductible temporary differences and carryforwards after valuation allowances. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount of deferred tax liability attributable to taxable temporary differences not separately disclosed. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount of deferred tax consequences attributable to taxable temporary differences derived from prepaid expenses. No definition available.
|
| X | ||||||||||
|
- Details
|